Dental equipment stand



Aug. 13, 1929. o. H. PIEPE'R ET AL 1,724,775

DENTAL EQUIPIENT STAND Filed Nov. 21. 1922 3 Sheets-Sheet 1 -lggf 1 36 Shinn;

. 57 M- ulmlmlllmlf jg INVFNTORS Eiiiiiimwiill @www ir A TTORNEY Aug. 13, 1929.4 o. H. PIEPER ET AL 1,724,775

DENTAL EQUIPIENT STAND Filed Nov. 21, 1922 5 Sheets-Sheet 2 l n nlllllilllllllllh Aug. 13,1929. o. H. PIEPER ET AL 1,724,775

DENTAL EQUIPMENT STAND Filed Nov. 21, 1922 3 Sheets-Shedl 5 TQQ X 46 1\ Z5 JZ 56, lZ4 Z6 55 i2 l 63 54 l 66' ,'ljll'j 15 lfL Y, 65

' i j 95 W7 64 f L 7 1/ 6@ aan -1 55 70 l l. E

1 67 5g]- Mll'llllx 3 501/ Patented Aug. 13, 1929.

j UNITED STATES PATENT OFFICE.

OSCAR PIEPER AND ALPHONSE F. PIEPER, OF ROCHESTER, NEW YORK.

DENTAL EQUIPMENT STAND.

Application led November 21, 1922. Serial No. 602,414.

This invention relates to dental apparatus and more particularly to dental equipment stands of the type adapted to support a variety of dental equipment adjacent the dental chair and within convenient reach of the dentist, the chief object of the invention being to provide a simple and practical stand of the above type capable of supporting a considerable variety of equipment in convenientI arrangement and of being manufactured at a moderate cost. To these and other ends the invention resides in certain improvments and combinations of parts all as will hereinafter be more fully described, the novel features being pointed out in the claims at the end of the specification.

In the drawings:

Figure 1 is a front elevation of an equipment stand embodying the present invention- I Figure 2 is a side elevation of the same wit-h parts broken away;

Figure 3 is an enlarged sectional view on the line 3& 8EL of Figure 1;

Figure 41 is an enlarged detail viewof the upper portion of Figure 3 with additional parts in section;

Figure 5 is a top plan View of the base portion of the standard and associated piping substantially as seen from the line a in Figure 6;

Figure 6 is a view similar to Figure 1 enlarged and in central section to illustrate the interior construction and arrangement;

Figure 7 is a fragmentary detail view showing a modified arrangement of the parts, and

Figure S is a fragmentary detail view of a modified form of construction;

Similar' reference numerals throughout the several views indicate the same parts. l

The preferred embodiment of the invention disclosed herein by way of illustration comprises a hollow supporting column or standard 10, Figures 1 and 6, preferably in the forni of a casting resting at its bottom on a base 11 having an opening 12, Figure 2, at one side thereof and sustaining the bottom of the column in spaced relation with the floor for the extension of piping into the column through its open lo wer end. The column branches at its top into three hollow bracket arms 13, l14 and 15 as shown, each for supporting different dental equipment as hereaiter described These armature pref# erably arranged substantially in a plane parallel with the front of the column, or, in other words, with the side of a dental chair so as to dispose the various equipment carried by the arms adjacent the point of use and within convenient reach of the dentist and this arrangement incidentally affords a pleasing general symmetry in the appearance of the stand.

Arm 13, projecting laterally and upwardly at t-lie right hand side of the column, is hollow as shown, preferably having fixed in its vertical upper end a hollow sleeve or post 16, Figure 6, on which is pivotally supported a substantially horizontal arm 17 above which is pivotally supported also a curved motor bracket- 18. Arm 17 preferably carries at its end a hollow trunnion 19 extending upwardly and pivotally supporting a horizontal arm 20 on the outer end of which is rotatably supported a frame 21 mounting an instrument tray 22. Trunnion 19 is preferably continued upwardly in the form of a tube 23 at the upper end of which is carried a Bunsen burner 24 of the usual or any suitable variety for apparatus of this nature. The gas for the burner is supplied through flexible tubing 25 connected with the lower end of trunnion 19 and trained along arm 17 and downwardly of arm 13 into connection with a controlling valve 26 carried by arm 13 and having a nipple extending into the latter through which the gas pipe is extended into and downwardly of the column as hereafter described.

The motor bracket 18 is curved as shown to encircle the motor shown at 27 and pivotally support the latter and the attached engine arm 28 by a connection therewith indicated generally at 29. The motorbeing arranged on one side of the pivot 29'and the engine on the other, these parts effectively balance each other as well understood in the art. At 30 on the outer end of the engine arm is the usual handpiece for holding and operating the instruments. The electrical conductors for the motor are carried from the column interior through arm 13, post 16, and bracket 18, but are only shown in the present instance within the column as this arrangement is well understood in the art.

The intermediate arm 14 extends upwardly substantially centrally of the celui n and had fn its upper end a sleeve. 5r' @110W post 31 on which is pivotally supported a hub 32 carrying a shelf or tray which normally projects toward the front of the casino'. This tray may be used for supporting various equipment and is primarily intended in the present instance for supporting a receptacle 34, Fig. 1, for a pair of spray bottle holders 35 and a hot water container 36. At 37 is shown a spray bottle having a spraying or atomisaing head 38 connected by means of fiexible tubing 39 with a valve 40 lixed in the wall of arm 14 and extending interiorly of the latter into connection with an air supply pipe described hereafter.

Post 31 is continued upwardly above tray 33 and pivotally supports at its lower end an upwardly and rearwardly inclined extension 41 on the rearwardly offset upper end ot' which is pivotally supported a substantially horizontal, forwardly extending arm 32 carrying a. tray 43 tor instruments, supplies and other equipment. Extension 41 projects above arm 42 and has mounted thereon a sleeve 44 in which is fixed the socket portion 45 of a separable electrical connection, the plug portion 46 of which is iixed in a cup 47 adapted to be fitted onto sleeve 44 with the plug and socket parts guided into proper association by a pin 48 in sleeve 44 and a slot 49 in cup 47. rlhe lat-ter carries Aan upwardly extending conduit 50 flexibly jointed as indicated in `lligure 1 and supporting a spot light 51 tor convenient universal adjustment. An electrical conductor 52 is connected with socket member 45 and carried through extension 41, the hollow post 31 and arm 14 into and downwardly of the column, for disposition as hereafter described. The lamp is thus detachably mounted on extension 41 and in fact the latter and tray 33 also may be removed from arm 14 it so desired after withdrawing conductor 52.

The hollow cuspidor arm 15 is extended laterally at the left hand side of the column, Figure 6, with its open upper end disposed horizontally as shown. Secured on a seat 53 formed in this end of the arm is an elbow iitting 54 having a portion extended upwardly above the end of the arm and rotatably secured as by means otl a union nut 55 to a hollow rotary head 56. The latter carries concentrically on its upper end the cuspidor 57 which discharges into the head and the latter has a laterally extended hollow arm 58 provided with a holder 59 for a drinking glass 60 and with a waste basin 61 discharging` into the hollow arm 58 and head. Thisconstruction is substantially as shown and described in Letters Patent No. 1,800,868, issued to us jointly April 15, 1919, Jfor dental cuspidor fixtures, except that the head 56, instead of discharging directlyl into vthe hollow arm 15, discharges into a waste or discharge pipe 58a connected with the head by means of the attached fitting 54. rl`he head 56 is thus rotatably supported on column arm 15 and the water discharged into the head is carried ofi' by pipe 58@ which extends through the arm 15, into and downwardly of the column as shown. At 59a is a water supply pipe :for the cuspidor and the usual faucet- 60, this pipe being pivotally connected by union means 61a with a valve 62 fixed in the arm 15 so as to have a ing movement about an axis concentric with that of head 56. From valve 62 a fater supply pioe 63 extends through arm 15 and into and downwardly of the column.

At 64,V Figure 6, is an insulating conduit carrying the electrical conductors for the lamp and for the motor to which parts the conductors are carried through their respective arms 14 and 13. At 65 within` the column and arm gas to valve 26 controlling the burner on arm 17. At 66 within the column and arm 14 is a pipe for supplying air under pressure to valve 4 0 controlling the spray bottle apparatus. rl`he electrical conduit and these various fluid pipes all extend downwardly within the column to a bridge plate 67 on top of the base 11 through which they extend and to which they are secured. Nithin the base these various pipesare direct-ed laterally along the floor by means of elbow fittings and out of the base opening 12 Vfor connection with their respective source or" supply. T he conductors are all Vthus carried within and concealed by the hollow column and its hollow arms except of course adjacent the points ot application to the equipment supplied thereby. This construction not only protects the pipes but preserves the simplicity of line of the stand. At 63, Fig* ure 1, is a conductor extended exteriorly of the column for connection with the usual foot control means tor the motor.

ln Figure 7 is shown ay modilied forni of assembly in which the extension 41 of the intermediate arm 14 is removed and the upper end oi post 31 covered and finished oft by a cap 69, leaving tray on the arm as described above, the electrical conductor 52 being for this purpose disconnected and withdrawn. Figure 18 shows a modiied form of construction in which the extension 41 and the tray 33 of arm 14 are removed and a shorter extended portion 70 substituted having its upper end fitted to receive the lamp socket as previously described in connection with arm extension 41. This latter arrangement thus eliminates the trays 33 and 43 previously described.

It is apparent from the description and drawings that the present stand is a comparatively imple one having a practical form ofconstruction which may be'manir factured at a moderate cost. The parts are advantageously arranged to support all the swing- 13 is a pipe for supplying l equipment within convenient reach adjacent the dental chair. The apparatus is furthermore compact and economical of space and has a general symmetry and simplicity of line rendering it pleasing in appearance.

vWe claim as our invention:

l. In a dental equipment stand, a hollow column branching at its top into three hollow bracket arms, one for a motor and one for a cuspidor, a pain of equipment trays movably carried in vertically spaced relation by the third arm for horizontal adjustment, and electrical and fluid conductors extended through said arms for connection with equipment carried thereby.

2. In a dental equipment stand, a hollow column branching at its top into three hollow bracket arms, one for a motor and one for a cuspidor', a rearwardly offset upper portion on said third arm provided at its top wit-h means for supporting a lamp, a pair of trays pivotally supported in spaced relation on said third arm, and electrical and fluid conductors carried upwardly from the base of said column through said arms for connection with equipment carried thereby.

3. A dental equipment stand comprising a hollow column having hollow projecting arms for a motor and a cuspidor, respectively, an additional hollow arm projecting from said column, a tray carried by said additional arm, an upwardly and rearwardly inclined extension pivoted on said additional arm, detachable means at the upper end of said extension for supporting a lamp, electrical conductors extended through said column and motor and additional arms, and fluid conductors extending through said column and cuspidor arm.

4. A dental equipment stand comprising a hollow column havinor hollow projecting arms for a motor an a cuspidor, respectively, an additional hollow arm projecting from said column, a tray carried by said additional arm, an upwardly and rearwardly inclined extension pivoted on said additional arm, an arm pivoted adjacent the upper end of said extension, and a tray carried by said pivoted arm.

5. A dental equipment stand comprising a hollow column having hollow projecting arms for a motor and a cuspidor, respectively, an additional hollow arm projecting from said column, an upwardly and rearwardly inclined extension pivoted on said additional arm, a tray pivotally supported adjacent the upper end of said extension, detachable means adjacent the upper end of said extension for supporting a lamp, elec` tric conductors extended through said column motor arm and additional arm and extension for connection with equipment carried thereby, and fluid conductors extended through said column and cuspidor arm for connection with the latter.

6. A dental equipment stand comprising a hollow column branching at its top into three hollow bracket arms, a motor on one oi said arms, a cuspidor on another of said arms, a hollow post carried by the third arm, a tray pivotally supported on said post, a hollow extension pivotally supported on said post, and a. lamp carried by said extension.

7. A dental equipment stand comprising a hollow column branching at its top into three hollow bracket arms, a motor on one of said arms, a cuspidor on another of said arms, a hollow post carried by the third arm, a tray pivotally supported on said post, a hollow extension pivotally supported on said post, an instrument tray pivotally supported on said extension, a lamp on Said extension and electrical connections for said lamp extending through said hollow post and extension.

OSCAR H. PIEPER. ALPHONSE F. PIEPER. 

